aluminium alloy bicycle chainring sturdy accessory negative teeth 130bcd single bike chain wheel for cycling riding mountain
- Made of high quality aluminum alloy, aviation grade strength, sturdy and durable.
- Wonderful cycling accessory for bike.
- Ensuring maximum chain retention, extended wear life and reduced friction and noise.
- 3 different types for you to choose, meet your different needs.
- Stylish appearance and easy to install. A good replacement for bicycle repairing.
